muchNoun1. a great amount or extent; "they did much for humanity" (hypernym) large indefinite quantity, large indefinite amountAdjective1. (quantifier used with mass nouns) great in quantity or degree or extent; "not much rain"; "much affection"; "much grain is in storage" (synonym) much(a) (antonym) little(a) (similar) overmuch (see-also) more(a), more thanAdverb1. to a great degree or extent; "she's much better now"2. very; "he was much annoyed"3. to a very great degree or extent; "we enjoyed ourselves very much"; "she was very much interested"; "this would help a great deal" (synonym) a lot, a good deal, a great deal, very much4. (degree adverb used before a noun phrase) for all practical purposes but not completely; "much the same thing happened every time" (synonym) practically5. frequently or in great quantities; "I don't drink much"; "I don't travel much" (synonym) a great deal, often